2 * Copyright © 2011 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
26 #include "intel_batchbuffer.h"
27 #include "intel_mipmap_tree.h"
29 #include "brw_context.h"
30 #include "brw_state.h"
32 #include "genX_blorp_exec.h"
34 #include "brw_blorp.h"
37 blorp_emit_dwords(struct blorp_batch
*batch
, unsigned n
)
39 assert(batch
->blorp
->driver_ctx
== batch
->driver_batch
);
40 struct brw_context
*brw
= batch
->driver_batch
;
42 intel_batchbuffer_begin(brw
, n
, RENDER_RING
);
43 uint32_t *map
= brw
->batch
.map_next
;
44 brw
->batch
.map_next
+= n
;
45 intel_batchbuffer_advance(brw
);
50 blorp_emit_reloc(struct blorp_batch
*batch
,
51 void *location
, struct blorp_address address
, uint32_t delta
)
53 assert(batch
->blorp
->driver_ctx
== batch
->driver_batch
);
54 struct brw_context
*brw
= batch
->driver_batch
;
56 uint32_t offset
= (char *)location
- (char *)brw
->batch
.map
;
58 return intel_batchbuffer_reloc64(brw
, address
.buffer
, offset
,
61 address
.offset
+ delta
);
63 return intel_batchbuffer_reloc(brw
, address
.buffer
, offset
,
66 address
.offset
+ delta
);
71 blorp_surface_reloc(struct blorp_batch
*batch
, uint32_t ss_offset
,
72 struct blorp_address address
, uint32_t delta
)
74 assert(batch
->blorp
->driver_ctx
== batch
->driver_batch
);
75 struct brw_context
*brw
= batch
->driver_batch
;
77 drm_intel_bo_emit_reloc(brw
->batch
.bo
, ss_offset
,
78 address
.buffer
, address
.offset
+ delta
,
79 address
.read_domains
, address
.write_domain
);
81 uint64_t reloc_val
= address
.buffer
->offset64
+ address
.offset
+ delta
;
82 void *reloc_ptr
= (void *)brw
->batch
.map
+ ss_offset
;
84 *(uint64_t *)reloc_ptr
= reloc_val
;
86 *(uint32_t *)reloc_ptr
= reloc_val
;
91 blorp_alloc_dynamic_state(struct blorp_batch
*batch
,
92 enum aub_state_struct_type type
,
97 assert(batch
->blorp
->driver_ctx
== batch
->driver_batch
);
98 struct brw_context
*brw
= batch
->driver_batch
;
100 return brw_state_batch(brw
, type
, size
, alignment
, offset
);
104 blorp_alloc_binding_table(struct blorp_batch
*batch
, unsigned num_entries
,
105 unsigned state_size
, unsigned state_alignment
,
106 uint32_t *bt_offset
, uint32_t **bt_map
,
109 assert(batch
->blorp
->driver_ctx
== batch
->driver_batch
);
110 struct brw_context
*brw
= batch
->driver_batch
;
112 *bt_map
= brw_state_batch(brw
, AUB_TRACE_BINDING_TABLE
,
113 num_entries
* sizeof(uint32_t), 32,
116 for (unsigned i
= 0; i
< num_entries
; i
++) {
117 surface_maps
[i
] = brw_state_batch(brw
, AUB_TRACE_SURFACE_STATE
,
118 state_size
, state_alignment
,
124 blorp_alloc_vertex_buffer(struct blorp_batch
*batch
, uint32_t size
,
125 struct blorp_address
*addr
)
127 assert(batch
->blorp
->driver_ctx
== batch
->driver_batch
);
128 struct brw_context
*brw
= batch
->driver_batch
;
131 void *data
= brw_state_batch(brw
, AUB_TRACE_VERTEX_BUFFER
,
134 *addr
= (struct blorp_address
) {
135 .buffer
= brw
->batch
.bo
,
136 .read_domains
= I915_GEM_DOMAIN_VERTEX
,
145 blorp_emit_urb_config(struct blorp_batch
*batch
, unsigned vs_entry_size
)
147 assert(batch
->blorp
->driver_ctx
== batch
->driver_batch
);
148 struct brw_context
*brw
= batch
->driver_batch
;
151 if (!(brw
->ctx
.NewDriverState
& (BRW_NEW_CONTEXT
| BRW_NEW_URB_SIZE
)) &&
152 brw
->urb
.vsize
>= vs_entry_size
)
155 brw
->ctx
.NewDriverState
|= BRW_NEW_URB_SIZE
;
157 gen7_upload_urb(brw
, vs_entry_size
, false, false);
159 gen6_upload_urb(brw
, vs_entry_size
, false, 0);
164 blorp_emit_3dstate_multisample(struct blorp_batch
*batch
, unsigned samples
)
166 assert(batch
->blorp
->driver_ctx
== batch
->driver_batch
);
167 struct brw_context
*brw
= batch
->driver_batch
;
170 gen8_emit_3dstate_multisample(brw
, samples
);
172 gen6_emit_3dstate_multisample(brw
, samples
);
177 genX(blorp_exec
)(struct blorp_batch
*batch
,
178 const struct brw_blorp_params
*params
)
180 assert(batch
->blorp
->driver_ctx
== batch
->driver_batch
);
181 struct brw_context
*brw
= batch
->driver_batch
;
182 struct gl_context
*ctx
= &brw
->ctx
;
183 const uint32_t estimated_max_batch_usage
= GEN_GEN
>= 8 ? 1800 : 1500;
184 bool check_aperture_failed_once
= false;
186 /* Flush the sampler and render caches. We definitely need to flush the
187 * sampler cache so that we get updated contents from the render cache for
188 * the glBlitFramebuffer() source. Also, we are sometimes warned in the
189 * docs to flush the cache between reinterpretations of the same surface
190 * data with different formats, which blorp does for stencil and depth
193 brw_emit_mi_flush(brw
);
195 brw_select_pipeline(brw
, BRW_RENDER_PIPELINE
);
198 intel_batchbuffer_require_space(brw
, estimated_max_batch_usage
, RENDER_RING
);
199 intel_batchbuffer_save_state(brw
);
200 drm_intel_bo
*saved_bo
= brw
->batch
.bo
;
201 uint32_t saved_used
= USED_BATCH(brw
->batch
);
202 uint32_t saved_state_batch_offset
= brw
->batch
.state_batch_offset
;
205 /* Emit workaround flushes when we switch from drawing to blorping. */
206 brw_emit_post_sync_nonzero_flush(brw
);
209 brw_upload_state_base_address(brw
);
212 gen7_l3_state
.emit(brw
);
215 if (brw
->use_resource_streamer
)
216 gen7_disable_hw_binding_tables(brw
);
218 brw_emit_depth_stall_flushes(brw
);
220 blorp_exec(batch
, params
);
222 /* Make sure we didn't wrap the batch unintentionally, and make sure we
223 * reserved enough space that a wrap will never happen.
225 assert(brw
->batch
.bo
== saved_bo
);
226 assert((USED_BATCH(brw
->batch
) - saved_used
) * 4 +
227 (saved_state_batch_offset
- brw
->batch
.state_batch_offset
) <
228 estimated_max_batch_usage
);
229 /* Shut up compiler warnings on release build */
232 (void)saved_state_batch_offset
;
234 /* Check if the blorp op we just did would make our batch likely to fail to
235 * map all the BOs into the GPU at batch exec time later. If so, flush the
236 * batch and try again with nothing else in the batch.
238 if (dri_bufmgr_check_aperture_space(&brw
->batch
.bo
, 1)) {
239 if (!check_aperture_failed_once
) {
240 check_aperture_failed_once
= true;
241 intel_batchbuffer_reset_to_saved(brw
);
242 intel_batchbuffer_flush(brw
);
245 int ret
= intel_batchbuffer_flush(brw
);
246 WARN_ONCE(ret
== -ENOSPC
,
247 "i965: blorp emit exceeded available aperture space\n");
251 if (unlikely(brw
->always_flush_batch
))
252 intel_batchbuffer_flush(brw
);
254 /* We've smashed all state compared to what the normal 3D pipeline
255 * rendering tracks for GL.
257 brw
->ctx
.NewDriverState
|= BRW_NEW_BLORP
;
258 brw
->no_depth_or_stencil
= false;
261 /* Flush the sampler cache so any texturing from the destination is
264 brw_emit_mi_flush(brw
);